<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>数组解构赋值</title>
  <script type="text/javascript">
    let arr = [1,2,3]
    //如果要看某个变量的类型
    console.log("arr=>",arr)
    //数组解构[取出元素]
    //1.传统
    let x = arr[0],y=arr[1],z=arr[2];
    console.log(x,y,z);

    //2. ES6风格
    let [a,b,c] = arr;
    console.log("==================================");
    console.log(a,b,c)

    let [num1,num2,num3] = [100,200,300];
    console.log(num1,num2,num3);
  </script>
</head>
<body>

</body>
</html>
